@article{ref1,
title="Crime specialization, seriousness progression, and Markov chains",
journal="Journal of consulting and clinical psychology",
year="1984",
author="Holland, T. R. and McGarvey, B.",
volume="52",
number="5",
pages="837-840",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-006X",
doi="",
url="http://dx.doi.org/"
}